As I have promised three weeks ago (and again a few days ago) I finally got around to writing this little how-to. I’m sorry for the delay. I hope this helps someone, anyway. Mind you, this is my first attempt at writing a how-to, and most of it was done, while I was being tired. Also, English isn’t my native language, so please excuse any typos or other errors, you may find. If you have any sugge